. >>> in the bay area first,robbersusedsledgehammersand pepper stray in a takeover attack, the likes which police say they have never seen before. >> god in 60 seconds. big city crime hits the town of danville. robbers are with pepper spray and sledgehammers carry out a brazen attack on a home certain. it was so vi lolent, it sent tw employees to the hospital. >> reporter: lisa, danville police said these suspects had to be familiar with this store. from the outside it looks like all they carry is furniture. but these rob berz burst through these door, went right to the jewelry counter and started spraying employees with pepper spray. picking up the pieces, the owner of the home consignment center in danville is cleaning up after a violent home robbery. >> there was the noise of loud booming over all the cases. i didn't know if it was gunfire or glass breaking. >> they quickly figured out the store was being robbed. three people burst into a store while people shopped, sprayed the employees with pepper spray, grabbed some merchandise and wen outside to a waiting van. it all happened in abo